Holley EFI GEN III HEMI VVT and SRV Harness 558-132
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Features:
- Plug and play with the factory Gen III HEMI VVT sub-harness
- Use Holley EFI HEMI Main Harness connecting to the Power Tap and Input/Output connectors
- Provides control of VVT solenoid under the intake manifold
- SRV (Short runner valve) connector pre-wired into the sub harness allowing you to plug into the factory SRV actuator in the intake manifold
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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